We look for people who are passionate about something. In a way, it almost doesn’t matter what you’re passionate about. What we really look for when we’re interviewing people is what they’ve shown an initiative to do on their own.

I personally don't invest in a lot of companies because I think it would be a conflict of interest and Facebook doesn't typically either.

We also have a dog. His name's Beast. He's a sheepdog. He's super cute. I love him.

If you want to be free, or you want to preserve freedom for people, you both need to have laws that make it so people have freedom of speech and all the freedoms that they need. You also need to have an open governance system where people can vote and people have representation.

Companies face a handful of different risks, whether it is competitors or different market environments. But I think that people focus way too much on competitors and not enough on their own execution.

A lot of the time the experts, the people who are supposed to be able to tell you what to do, will tell you that you can't do something even when you know you can. And a lot of the time it's your friends ... who tell you you can do it.

The biggest risk is not taking any risk... In a world that changing really quickly, the only strategy that is guaranteed to fail is not taking risks.